(19)

(11)

EP 2 066 823 A1

(12)

(43) Date of publication: 10.06.2009 Bulletin 2009/24 (21) Application number: 07818280.5 (22) Date of filing: 20.09.2007

(51) International Patent Classification (IPC):  C22C 33/02(2006.01) (86) International application number: PCT/EP2007/008190 (87) International publication number: WO 2008/034614 (27.03.2008 Gazette 2008/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 22.09.2006 SE 0602005 28.09.2006 US 847640 P (71) Applicant: Höganäs Ab (publ) 263 83 Höganäs (SE)	(72) Inventors: BERGMAN, Ola 254 52 Helsingborg (SE) NURTHEN, Paul, Dudfield TN12 5HJ Kent (GB) (74) Representative: Schwarze, Holm  Zacco Denmark A/S Hans Bekkevolds Allé 7 2900 Hellerup 2900 Hellerup (DK)